Expansion joint



FIG. 1 is a perspective view of a first embodiment of an expansion joint.

FIG. 2 is a front view thereof.

FIG. 3 is a rear view thereof.

FIG. 4 is a right side view thereof.

FIG. 5 is a left side view thereof.

FIG. 6 is a top view thereof.

FIG. 7 is a bottom view thereof.

FIG. 8 is a perspective view of a second embodiment of an expansion joint.

FIG. 9 is a front view thereof.

FIG. 10 is a rear view thereof.

FIG. 11 is a right side view thereof.

FIG. 12 is a left side view thereof.

FIG. 13 is a top view thereof; and,

FIG. 14 is a bottom view thereof.

The evenly spaced broken lines depict portions of the expansion joint that form no part of the claimed design. The drawings contain a symbolic break line in the article, represented with dot-dash broken lines. The dot-dash broken lines depict the bounds of the Claim, and the portion between the dot-dash broken lines forms no part of the claimed design. 

CLAIM The ornamental design for an expansion joint, as shown and described. 